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Emerald|Lab Grown|IGI

3.78ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG577365694

Shape and cutting style on the report: Emerald cut

Certificate IGI LG577365694

Diamond specifications and retailer prices

From $500 USD
As of October 30, 2026
Save $4,220 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,720 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.78ct lab-grown emerald diamond

This 3.78ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577365694 or 577365694. Listed at 19 retailers as of October 29, 2026, with prices from $500 to $4,720, a $4,220 spread on the same certified stone. Brilliant Earth lists it at $4,720. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.78
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577365694
Dimensions10.57 × 7.32 × 4.84 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.57 mm7.32 mm3.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577365694
Side View
Table 65.0%Crown 36°Girdle: MED-STKPavilion 39.2°Culet: LNGDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,720 USD|Low: $421 USD|High: $5,110 USD|Avg: $1,436 USD|-7.6%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 12$491 USD
Retailer 7$500 USD
Retailer 18$560 USD
Retailer 4$621 USD
Retailer 21$621 USD
Retailer 13$859 USD
Retailer 5$870 USD
Retailer 10$964 USD
Retailer 11$1,009 USD
Retailer 2$1,033 USD
Retailer 19$1,320 USD
Retailer 15$1,347 USD
Retailer 3$1,385 USD
Retailer 14$1,478 USD
Retailer 20$1,601 USD
Retailer 6$1,632 USD
Retailer 9$2,021 USD
Retailer 8$2,301 USD
Retailer 17$2,593 USD
Retailer 16$3,477 USD
Brilliant Earth$4,720 USD

40 data points across 21 retailers

19 retailers$500 USD to $4,720 USD

A
Cheapest Retailer
-
$500 USD
A
Retailer 2
-
$560 USD
View
Retailer 3
-
$621 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$621 USD
View
A
Retailer 5
-
$859 USD
€818 EUR
View
A
Retailer 6
-
$870 USD
View
B+
Retailer 7
-
$964 USD
View
A
Retailer 8
-
$1,009 USD
View
A
Retailer 9
-
$1,033 USD
£813 GBP
View
Retailer 10
-
$1,320 USD
A$2,031 AUD
View
Price last confirmed 10 days ago
A
Retailer 11
-
$1,347 USD
ZAR 21,762 ZAR
View
A
Retailer 12
-
$1,385 USD
View
B+
Retailer 13
-
$1,601 USD
View
A
Retailer 14
-
$1,632 USD
View
B+
Retailer 15
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$2,021 USD
View
B
Retailer 16
-
$2,301 USD
View
B
Retailer 17
-
$2,593 USD
£2,042 GBP
View
B
Retailer 18
-
$3,477 USD
View
Most Expensive
B
Brilliant Earth
7625451A · Oct 29
$4,720 USD
View
18 more retailers have this diamond
Prices start from $500 USDSave up to $4,220 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.78ct Emerald
$500 USD